Phab ntsa wallty yog dab tsi?
Phab Ntsa Putty yog ib lub tsev tseem ceeb hauv tsev kawm ntawv kho kom zoo nkauj. Nws yog cov khoom siv yooj yim rau kev kho phab ntsa lossis ntsuas kev ua haujlwm, thiab nws tseem yog cov khoom siv zoo rau kev pleev xim ntxiv lossis cov haujlwm ua haujlwm.
Phab Ntsa Tshuav
Raws li nws cov neeg siv, nws feem ntau muab faib ua ob hom: tsis tiav putty thiab tov qhuav putty. Tsis yog-tiav putty tsis muaj chaw khaws khoom siv tas, tsis muaj cov qauv sib txuam, thiab tsis muaj kev paub zoo. Nws yog feem ntau ua los ntawm cov neeg ua haujlwm ntawm lub chaw tsim khoom. Cov khoom sib xyaw qhuav yog tsim tawm raws li cov ntaub ntawv tsim nyog thiab cov txheej txheem kho tshuab los ntawm cov txheej txheem piv txwv thiab cov teeb meem uas tsis tuaj yeem lav, thiab tuaj yeem siv ncaj qha nrog dej.
Qhuav sib xyaw PUTTY
Cov khoom xyaw ntawm phab ntsa muaj dab tsi?
Feem ntau, phab ntsa putty yog txiv qaub calcium lossis cement raws li. Cov ntaub ntawv raw ntawm putty yog qhov tseeb meej, thiab tus nqi ntau yam yuav tsum tau raug kev tshawb fawb tau sib raug zoo, thiab muaj qee cov qauv.
Phab ntsa welty feem ntau muaj cov khoom siv hauv paus, muab tub lim, dej thiab ntxiv. Cov khoom siv hauv paus yog qhov tseem ceeb tshaj plaws ntawm phab ntsa pov tseg, limestone limestone, cellulose ether, thiab lwm yam ether, etc.
Cellulose Ethaer yog dab tsi?
Cellulose Cov neeg muaj kev hais ua dej yog dej-soluble polymers tau los ntawm cellulose, muaj cov txheej txheem tuab ntxiv, qis dua cov viscosity, thiab lwm yam.
Cellulose ether
Muab faib ua HPMC (HydroxyPropyloostrose), hemc (hydroxyethylcelleculose), faib qib thiab qib hloov kho.
Vim li cas cellulose ether tsuas yog ib feem ntawm phab ntsa muaj?
Hauv phab ntsa ua kom muaj mis nyuj putty, cellulose ether yog qhov tseem ceeb ntxiv los txhim kho kev ua tau zoo, thiab phab ntsa muab tso rau ether ether tuaj yeem muab lub tsev du. Nws ua kom yooj yim txheej, lub lauj kaub ntev ntev, kev ua kom zoo heev, thiab lwm yam.
Lub Sijhawm Post: Jun-14-2023